Build your tunnel safe, by permanently preventing pressure.Manufacture of products for draining tunnels, basements and other underground structures.Dolenco Drain works on UN goals 9 and 12 on sustainable infrastructure: We help contractors/engineers/owners, who want to build durable and safe tunnels, basements and other underground structures by introducing a new innovative solution for relieving pressure on structures.The modules are mounted in extension of one another with an easy click system, nailed to the surface with a nail gun, covered with a layer of shotcrete, and then covered with a layer of specially designed shotcrete (e.g. fiber reinforced).Not only does choosing Dolenco Drain reduce the cost, time and CO2 significantly, it also has additional benefits such as simplifying construction, a longer design life and lower maintenance.